1. 1A. 1B. The amounts of time per workout a student uses an elliptical at the UCF gym are normally distributed with a mean of 18.9 minutes and a standard deviation of 2.15 minutes. If a random student at the UCF gym was selected, then what is the probability that this student used the elliptical for more than 20.2 minutes? 1A. If a random student at the UCF gym was selected, then what is the probability that this student used the elliptical between 17 and 21 minutes?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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All probability should be rounded up to 3 significant digits… could anyone help?
**Question 1**

The amounts of time per workout that a student uses an elliptical at the UCF gym are normally distributed with a mean of 18.9 minutes and a standard deviation of 2.15 minutes.

**1A.** If a random student at the UCF gym was selected, then what is the probability that this student used the elliptical for more than 20.2 minutes?

[Space for response]

1A. ____________

---

**1B.** If a random student at the UCF gym was selected, then what is the probability that this student used the elliptical between 17 and 21 minutes?

[Space for response]

1B. ____________
Transcribed Image Text:**Question 1** The amounts of time per workout that a student uses an elliptical at the UCF gym are normally distributed with a mean of 18.9 minutes and a standard deviation of 2.15 minutes. **1A.** If a random student at the UCF gym was selected, then what is the probability that this student used the elliptical for more than 20.2 minutes? [Space for response] 1A. ____________ --- **1B.** If a random student at the UCF gym was selected, then what is the probability that this student used the elliptical between 17 and 21 minutes? [Space for response] 1B. ____________
Expert Solution
Step 1

From the provided information,

Mean (µ) = 18.9

Standard deviation (σ) = 2.15

X~N (18.9, 2.15)

 

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